Identify the incorrect statement. (i) Thermoregulation energetically least expensive process for many organisms like shrews and humming birds. (ii) 99% animals and nearly all plants cannot maintain their constant internal environment. (iii) During the course of evolution, the costs and heights of maintaining a constant internal environment are discarded. (iv) In aquatic animals, the osmotic concentration of the body fluids change with that of the ambient water osmotic concentration.

• A. (i) and (ii)
• B. (iii) and (iv)
• C. (i) and (iii)
• D. (ii) and (iii)